`sysdschools.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b26f^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:4b9d^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.157^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.111^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elinore.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a99^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c099^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elinore.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2099^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elinore.ns.cloudflare.com`
		A	108.162.192.153^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	172.64.32.153^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
		A	173.245.58.153^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elinore.ns.cloudflare.com`
NS	`terin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terin.ns.cloudflare.com`
		A	108.162.193.236^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	172.64.33.236^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	173.245.59.236^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.157, 172.67.178.111
		IPv6 hints	2606:4700:3032::ac43:b26f, 2606:4700:3033::6815:4b9d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOA	`elinore.ns.cloudflare.com`dns@cloudflare.com serial=2408227965

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785817857

rank #784361 globally
rank #332138 in the tld

Same first word

sysdschools.org

sysdschools.com

DNS History

18 records (6 active, 12 former)

●NSelinore.ns.cloudflare.com2026-08-04 → 2026-08-04 · 2 obs

○ 2026-06-06 14:33:26
● 2026-08-04 04:45:44

○NSns1.above.com2017-07-06 → 2017-07-06 · 4 obs

○ 2016-12-14 13:34:30
● 2017-07-06 03:23:34
○ 2026-05-23 12:15:16
○ 2026-08-04 04:45:44

○NSns1.dns.com2026-05-23 → 2026-06-06 · 4 obs

○ 2017-07-06 03:23:34
● 2026-05-23 12:15:16
● 2026-06-06 14:33:26
○ 2026-08-04 04:45:44

○NSns2.above.com2017-07-06 → 2017-07-06 · 4 obs

○ 2016-12-14 13:34:30
● 2017-07-06 03:23:34
○ 2026-05-23 12:15:16
○ 2026-08-04 04:45:44

○NSns2.dns.com2026-05-23 → 2026-06-06 · 4 obs

○ 2017-07-06 03:23:34
● 2026-05-23 12:15:16
● 2026-06-06 14:33:26
○ 2026-08-04 04:45:44

○NSns27.rookdns.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 13:34:30
○ 2017-07-06 03:23:34
○ 2026-08-04 04:45:44

○NSns28.rookdns.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 13:34:30
○ 2017-07-06 03:23:34
○ 2026-08-04 04:45:44

●NSterin.ns.cloudflare.com2026-08-04 → 2026-08-04 · 2 obs

○ 2026-06-06 14:33:26
● 2026-08-04 04:45:44

○MXmx92.m1bp.com2017-07-06 → 2017-07-06 · 3 obs

● 2017-07-06 03:23:34
○ 2026-05-23 12:15:16
○ 2026-08-04 04:45:44

○MXmx92.mb5p.com2017-07-06 → 2017-07-06 · 3 obs

● 2017-07-06 03:23:34
○ 2026-05-23 12:15:16
○ 2026-08-04 04:45:44

○A103.224.212.1852017-07-06 → 2017-07-06 · 4 obs

○ 2016-12-14 13:34:30
● 2017-07-06 03:23:34
○ 2026-05-23 12:15:16
○ 2026-08-04 04:45:44

●A104.21.75.1572026-08-04 → 2026-08-04 · 2 obs

○ 2026-06-06 14:33:26
● 2026-08-04 04:45:44

○A107.163.47.742026-05-23 → 2026-06-06 · 4 obs

○ 2017-07-06 03:23:34
● 2026-05-23 12:15:16
● 2026-06-06 14:33:26
○ 2026-08-04 04:45:44

○A141.8.224.1692016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 13:34:30
○ 2017-07-06 03:23:34
○ 2026-08-04 04:45:44

●A172.67.178.1112026-08-04 → 2026-08-04 · 2 obs

○ 2026-06-06 14:33:26
● 2026-08-04 04:45:44

●A2606:4700:3032::ac43:b26f2026-08-04 → 2026-08-04 · 2 obs

○ 2026-06-06 14:33:26
● 2026-08-04 04:45:44

●A2606:4700:3033::6815:4b9d2026-08-04 → 2026-08-04 · 2 obs

○ 2026-06-06 14:33:26
● 2026-08-04 04:45:44

○PTRns27.rookdns.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 13:34:30
○ 2017-07-06 03:23:34
○ 2026-08-04 04:45:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sysdschools.com	elinore.ns.cloudflare.com, terin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.236

NS records: elinore.ns.cloudflare.com, terin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysdschools.com (unsigned zone)

⏱️ Timing

Total: 126ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.75.157, 172.67.178.111`
AAAA	2	`2606:4700:3033::6815:4b9d, 2606:4700:3032::ac43:b26f`
NS	2	`elinore.ns.cloudflare.com, terin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elinore.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (elinore.ns.cloudflare.com, elinore.ns.cloudflare.com, elinore.ns.cloudflare.com...)

Analysis

IP Addresses

sysdschools.com resolves to four IP addresses: 104.21.75.157, 172.67.178.111, 2606:4700:3032::ac43:b26f and 2606:4700:3033::6815:4b9d.

Two other host names, along with clock.zone, edeme.net and www.votearticles.com, also share IP numbers with sysdschools.com.

Name Servers

sysdschools.com has two authoritative name servers — elinore.ns.cloudflare.com and terin.ns.cloudflare.com.

sysdschools.com shares its NS records with other domains, for example almalika-group.com, adpks.com, biggleygroup.com and two others.

sysdschools.com partially shares its NS delegation with several other domains, including epicslotbase.com, wmsp.edu.pk, netcentertelecom.net.br and two others.

These name servers regularly co-occur with the name servers julio.ns.cloudflare.com, harmony.ns.cloudflare.com and sandy.ns.cloudflare.com.

DNS names with 6 IP addresses:

elinore.ns.cloudflare.com points to 108.162.192.153, 172.64.32.153, 173.245.58.153 and 3 other IP addresses.

terin.ns.cloudflare.com points to 108.162.193.236, 172.64.33.236, 173.245.59.236 and 3 other IP addresses.

sysdschools.com - robtex.com

sysdschools.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`sysdschools.com`

`com`